Glass having both surfaces ground to form parallel planes or parallel planes formed by flowing molten glass onto molten or semimolten metal. It may have an imbedded wire mesh and may be evenly processed (etched, sandblasted, and the like) (no discernible pattern), fire finished (glossy smooth), polished, or rough ground on one or both surfaces or any combination thereof.
NSN 5945-00-510-4293
NSN 6320-01-280-1014
NSN 5950-00-080-6811
NSN 4140-01-394-2331
NSN 5975-01-481-3858
NSN 6220-01-601-7445
NSN 6220-00-218-0857
NSN 6645-00-267-9132
NSN 6610-00-814-8598
NSN 6150-01-430-2564
NSN 6610-00-217-2194
NSN 5965-01-249-6349